Question 1

How many shares of WDC does CAPITAL FUND MANAGEMENT S.A. own?

Accepted Answer

As of 2026-Q1, CAPITAL FUND MANAGEMENT S.A. holds 100,563 shares of WDC (WESTERN DIGITAL CORP).

Question 2

What is CAPITAL FUND MANAGEMENT S.A.'s WDC position worth?

Accepted Answer

As of 2026-Q1, CAPITAL FUND MANAGEMENT S.A.'s WDC position is worth $27.2M.

Question 3

Is CAPITAL FUND MANAGEMENT S.A. buying or selling WDC?

Accepted Answer

In 2026-Q1, CAPITAL FUND MANAGEMENT S.A. decreased their WDC position (-55.7% change in shares).

Question 4

When did CAPITAL FUND MANAGEMENT S.A. first buy WDC?

Accepted Answer

Based on available 13F filings, CAPITAL FUND MANAGEMENT S.A. first reported a position in WDC in 2024-Q2. They have held the position across 3 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	100,563	-55.7%	$27.2M	0.1%	$250.61	0
2025-Q4	Increased	227,097	+0.4%	$39.1M	0.1%	$176.06	35
2025-Q3	New	226,151	—	$27.2M	0.1%	$116.65	40
2025-Q2	Exited	0	-100.0%	$0	0.0%	$63.17	0
2025-Q1	New	70,525	—	$2.9M	0.0%	$40.46	36
2024-Q4	Exited	0	-100.0%	$0	0.0%	$44.89	0
2024-Q3	Decreased	100,162	-75.6%	$6.8M	0.0%	$52.27	0
2024-Q2	Increased	411,006	+311.4%	$31.1M	0.1%	$57.05	47